65046400828 has 24 divisors (see below), whose sum is σ = 116812295600. Its totient is φ = 31675795200.

The previous prime is 65046400813. The next prime is 65046400829. The reversal of 65046400828 is 82800464056.

65046400828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65046400829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481773 + ... + 601828.

Almost surely, 2^65046400828 is an apocalyptic number.

It is an amenable number.

65046400828 is a deficient number, since it is larger than the sum of its proper divisors (51765894772).

65046400828 is a wasteful number, since it uses less digits than its factorization.

65046400828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083997 (or 1083995 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 65046400828 in words is "sixty-five billion, forty-six million, four hundred thousand, eight hundred twenty-eight".